Birkenstock new size 9-9.5 /40 color Sandcastle Oversized buckles cinch the standout look of a sandal that pairs soft leather with the legendary Birkenstock Biometrically molded EVA cushioning absorbs shock and mimics the shape of a healthy foot, while pronounced medial and metatarsal arches support the instep and ball as you walk or stand. • Adjustable straps with buckle closures • with arch support • Flat sole • Leather upper and lining/synthetic sole